Register or log in through the main site. If you have a Mozilla LDAP account you can just log in with your LDAP username and password. Otherwise, you'll have to register for an account before you can login.

Navigate to SUMO strings. To do this, click the leftmost navigation breadcrumb in the top left corner of the page, and type "SUMO". Click the option that appears. In a similar way, choose your locale and the file you want to localize in the following breadcrumbs. Finally, click Go.

View missing strings. To do this, click the funnel/filter icon below the navigation breadcrumbs and choose Missing, Fuzzy or Untranslated to display strings that require work. If you want to find a particular string, use the Search box next to the funnel/filter icon and input the text in English.

Translate the text and make sure you save your work.

How can I review suggestions in Pontoon?

If you are a Reviewer in Pontoon, you will occasionally have to approve strings suggested by others. To do so:

Log in as described above.

Navigate to the SUMO project, as described above.

View suggested strings. To do this, click the funnel/filter icon below the navigation breadcrumbs and choose Suggested or Has Suggestions to display strings that require reviewing. If you want to find a particular string, use the Search box next to the funnel/filter icon and input the text in English.

To approve an existing suggestion, review the suggestions in the bottom right part of the screen, and approve the best one using the "checkmark" symbol.

Do you have any questions? Do you need assistance while localizing? Please tell us on the l10n forum.